(1) The holder of a restricted taxi operator's licence may apply, in writing, to the road transport authority for the authority to—
(a) vary or revoke a condition of the licence; or
(b) impose a new condition on the licence.
(2) The road transport authority must, after considering the actual or predicted demand for the use of restricted taxis—
(a) vary, revoke or impose the condition; or
(b) refuse to vary, revoke or impose the condition.
(3) A variation may be effective for a stated period or for the unexpired period of the licence.